2445144520 has 64 divisors (see below), whose sum is σ = 6771179520. Its totient is φ = 773846784.

The previous prime is 2445144491. The next prime is 2445144529. The reversal of 2445144520 is 254415442.

It is not an unprimeable number, because it can be changed into a prime (2445144529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332232 + ... + 339511.

It is an arithmetic number, because the mean of its divisors is an integer number (105799680).

Almost surely, 2^2445144520 is an apocalyptic number.

2445144520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445144520 is an abundant number, since it is smaller than the sum of its proper divisors (4326035000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2445144520 is a wasteful number, since it uses less digits than its factorization.

2445144520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671774 (or 671770 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 2445144520 is about 49448.4026031175. The cubic root of 2445144520 is about 1347.2085933881.

Adding to 2445144520 its reverse (254415442), we get a palindrome (2699559962).

The spelling of 2445144520 in words is "two billion, four hundred forty-five million, one hundred forty-four thousand, five hundred twenty".